DTC Diagnosis Procedure
- CHECK APP SENSOR 2 POWER SUPPLY-1
- Turn ignition switch OFF.
- Disconnect accelerator pedal position (APP) sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between APP sensor harness connector terminals.
APP sensor
Voltage
(Approx.)
Connector
+
-
Terminal
E20
1
5
5 V
Is the inspection result normal?
YES
GO TO 7.
NO
GO TO 2.
- CHECK APP SENSOR 2 POWER SUPPLY-2
Check the voltage between APP sensor harness connector and ground.
+
-
Voltage
(Approx.)
APP sensor
Connector
Terminal
E20
1
Ground
5 V
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 3.
- CHECK SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check harness connector for short to power and short to ground, between the following terminals.
+
-
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
1
E16
142
Existed
Is inspection result normal?
YES
GO TO 4.
NO
Repair or replace error-detected parts.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power supply 2 circuit. Refer to DTC Diagnosis Procedure .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace error-detected parts.
- CHECK APP SENSOR 2 GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between APP sensor harness connector and ECM harness connector.
+
-
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
5
E16
144
Existed
- Also check harness for short to power.
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace error-detected parts.
- CHECK ECM GROUND CIRCUIT
Check the continuity between ECM harness connector and the ground.
+
-
Continuity
ECM
Connector
Terminal
E16
147
Ground
Existed
149
152
F54
10
55
F77
110
Is inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace error-detected parts.
- CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT
- Check the continuity between APP sensor harness connector and ECM harness connector.
+
-
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
6
E16
143
Existed
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
GO TO 8.
NO
Repair or replace error-detected parts
- Check the continuity between APP sensor harness connector and ECM harness connector.
- CHECK APP SENSOR
Check the APP sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Replace accelerator pedal assembly. Refer to Removal and Installation .